The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mupBAc74k

Height: 2213
Hash: 09693b59d74b2134033da76d23e66856f71324b55e2ea77fa52476941c6dd309
Previous block: 5abb784f6c19c9b86079cbe5eb3c60db3475ecfeb26d8d625c15945e8b749628
Next block: 7d4ec4a4bfea6233f1add3a0f121601336d5af3a47d416ba5e3f9bd6f5856583
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480978
Stripped size: 218
Size: 254
Nonce: 8
Merkle root: 98b1d624d9fe14dc48ebe3fa3c370a8da415ff6b957c52035775f22947ac9fc7
Median time: 1719480977
Difficulty: 4.656542373906925e-10
Confirmations: 79
Chainwork: 000000000000000000000000000000000000000000000000000000000000114c
Bits: 207fffff